Benchmark: IndexOf vs Split return array tamaño especifico

Script Preparation code:

var test1 = 'test|tester|testing'
var caracterSeparador = "|";

Tests:

Split
var result1 = (test1.split('|'));
IndexOF
let indice1 = test1.indexOf(caracterSeparador); let indice2 = test1.indexOf(caracterSeparador, indice1 + 1); let parte1 = test1.substring(0, indice1); let parte2 = test1.substring(indice1 + 1, indice2); let parte3 = test1.substring(indice2 + 1);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Split
IndexOF

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Browser/OS: Chrome 122 on Windows

View result in a separate tab

Test name	Executions per second
Split	5900140.0 Ops/sec
IndexOF	1422464.0 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's break down the provided JSON and explain what's being tested, compared, and their pros and cons.

**Benchmark Definition**

The benchmark is designed to compare two JavaScript methods: `split()` and `indexOf()`. The goal is to find out which method is faster for searching a specific character (`|`) within a string (`test1`).

**Script Preparation Code**

The script preparation code is simply assigning the input string `test1 = 'test|tester|testing'` and the separator character `caracterSeparador = "|"` to variables.

**Html Preparation Code**

There is no HTML preparation code, which suggests that this benchmark only focuses on JavaScript execution time, without considering DOM manipulation or rendering.

**Individual Test Cases**

There are two test cases:

1. **Split**

The first test case checks how long it takes to split the string `test1` into an array using the `split()` method. The input is simply `var result1 = (test1.split('|'));`.

Pros and Cons of Split:
- Pros: Simple, efficient for splitting a single separator.
- Cons: Can be slow for large strings or multiple separators.

2. **IndexOf**

The second test case checks how long it takes to find the index of the separator character (`|`) in `test1` using the `indexOf()` method. The input is more complex:
```javascript
let indice1 = test1.indexOf(caracterSeparador);
let indice2 = test1.indexOf(caracterSeparador, indice1 + 1);
let parte1 = test1.substring(0, indice1);
let parte2 = test1.substring(indice1 + 1, indice2);
let parte3 = test1.substring(indice2 + 1);
```
This test case also measures the indices of subsequent occurrences of the separator character.

Pros and Cons of IndexOF:
- Pros: Can be used to find any substring, not just a single occurrence.
- Cons: Can be slower than Split for large strings or multiple separators due to repeated searches.

**Library**

In this benchmark, no libraries are explicitly mentioned. However, it's likely that the JavaScript engine being tested (e.g., V8 in Chrome) has built-in optimizations for these methods.

**Special JS Features/Syntax**

There are no special JavaScript features or syntax mentioned in the provided code.

**Other Alternatives**

If you're interested in exploring alternative approaches, consider:

* Using a library like `lodash` which provides optimized string manipulation functions.
* Implementing your own custom search algorithms, such as linear search or binary search.
* Testing with different input strings or separator characters to see how the results change.

Keep in mind that this benchmark focuses on comparing two specific JavaScript methods. If you're interested in exploring other optimization techniques or testing more complex scenarios, there are many other benchmarks and resources available online.

Related benchmarks:

IndexOf vs Split return array tamaño especifico (version: 0)

Comparing performance of: Split vs IndexOF

Created: 2 years ago by: Guest

Jump to the latest result

Split

IndexOF

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):